Finding the Fourth Proportional to 12,969.25, 17,897.86 and 7,305.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969.25 : 17,897.86 = 7,305.78 : x
2. Step 2: Convert to fraction form
   12,969.25/17,897.86 = 7,305.78/x
3. Step 3: Cross multiply
   12,969.25x = 17,897.86 × 7,305.78
4. Step 4: Simplify right side
   12,969.25x = 130,757,765.45
5. Step 5: Solve for x
   x = 130,757,765.45/12,969.25
6. Step 6: Final answer
   x = 10,082.14